Table 3.
Striatal region of interest (ROI) means (and standard deviations) for each group for the reversal-learning task (RLT)
| Group | ||||
|---|---|---|---|---|
| Striatal region | Psychosis risk | Comparison | t Statistic | p-value |
| Unexpected Reward | ||||
| Associative | 0.219 (0.174) | 0.128 (0.197) | 1.55 | 0.13 |
| Limbic | 0.246 (0.256) | 0.228 (0.209) | 0.25 | 0.80 |
| Sensorimotor | 0.119 (0.153) | 0.085 (0.138) | 0.74 | 0.47 |
| Overall striatum | 0.195 (0.173) | 0.147 (0.160) | 0.91 | 0.37 |
| Unexpected Punishment | ||||
| Associative | 0.159 (0.149) | 0.164 (0.183) | −0.09 | 0.93 |
| Limbic | 0.203 (0.166) | 0.261 (0.229) | −0.91 | 0.37 |
| Sensorimotor | 0.075 (0.173) | 0.097 (0.123) | −0.47 | 0.64 |
| Overall striatum | 0.146 (0.129) | 0.174 (0.155) | −0.63 | 0.53 |
| Reward Sensitivity Difference Score | 0.049 (0.089)* | −0.027 (0.090) | 2.69 | 0.01 |